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Don't forget to add primes <= k 1000000000 1000000000 300 answer: 97395891 I'm using inclu-exclu. Start from B and then add and minus. But always WA#3.   Any hints?   Thansk, Ade Oops. I exclu. the primes.   input 3 4 6 For this input what is the answer?And can you eplain me.I want to be sure that i understood correctly the task. The the example, is (23+7 == 3) taken into account?   Thanks   //   Oh. I saw the "Hint" ...   Edited by author 10.11.2012 16:29   Edited by author 10.11.2012 16:29  |  
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